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  <title>Non-breaking space</title>
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  <p>Non-breaking space representations:</p>
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    <tr><td>Non-breaking space character</td><td><span style="background-color: yellow;"> </span></td></tr>
    <tr><td>&amp;nbsp;</td><td><span style="background-color: yellow;">&nbsp;</span></td></tr>
    <tr><td>&amp;#160;</td><td><span style="background-color: yellow;">&#160;</span></td></tr>
    <tr><td>&amp;#xA0;</td><td><span style="background-color: yellow;">&#xA0;</span></td></tr>
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  <p>With non-breaking space: <span style="border: 1px dotted orange;">&nbsp;a&nbsp;&nbsp;b&nbsp;&nbsp;c&nbsp;</span></p>
  <p>Without non-breaking space: <span style="border: 1px dotted orange;"> a  b  c </span></p>
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        <span style="border-bottom: 1px solid green;">no&nbsp;wrap</span>
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        <span style="border-bottom: 1px solid green;">no&nbsp;wrap</span>
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